Down volume occurs when a security’s price decreases with a high volume of trading.

On-balance volume (OBV) is a momentum indicator that uses volume flow to predict changes in stock price.

Learn how to read the volume reports, look at the relation to liquidity, and interpret volume for futures contracts.

Average daily trading volume (ADTV) is the average number of shares that change hands in a stock. The average can be calculated over any number of days, and is useful for determining which stocks are suitable for which investors/traders.

Dollar volume liquidity is the price of a stock or ETF multiplied by its daily trading volume. It is useful for comparing the liquidity of stocks for large trades.

The negative volume index (NVI) integrates volume and price to graphically show how price movements are affected by down volume days.

Up volume generally refers to an increase in the volume of shares traded in either a market or security that leads to an increase in value.

Volume is a simple yet powerful way for traders and investors to increase profits and minimize risks.

Uptick volume correlates stock price momentum upwards with daily volume in determining to buy or sell opportunities.

Net volume is a technical indicator that's calculated by subtracting a security's uptick volume by its downtick volume over a specified period of time.